<template>
  <BasicTable @register="registerTable">
    <template #form-custom> custom-slot </template>
    <template #headerTop>
      <a-alert type="info" show-icon>
        <template #message>
          <template v-if="checkedKeys.length > 0">
            <span>已选中{{ checkedKeys.length }}条记录(可跨页)</span>
            <a-button type="link" @click="checkedKeys = []" size="small">清空</a-button>
          </template>
          <template v-else>
            <span>未选中任何项目</span>
          </template>
        </template>
      </a-alert>
    </template>
    <template #toolbar>
      <a-button type="primary" @click="getFormValues">获取表单数据</a-button>
    </template>
  </BasicTable>
</template>
<script lang="ts">
import { defineComponent, ref } from 'vue'
import { BasicTable, useTable } from '/@/vbenComponents/Table'
import { demoList, getBasicColumns, getFormConfig } from './tableData'
import { Alert } from 'ant-design-vue'

const demoListApi = (params) =>
  new Promise((resolve, _) => {
    console.log(params)
    setTimeout(() => resolve({ total: demoList.length, items: demoList }), 1500)
  })

export default defineComponent({
  components: { BasicTable, AAlert: Alert },
  setup() {
    const checkedKeys = ref<Array<string | number>>([])
    const [registerTable, { getForm }] = useTable({
      title: '开启搜索区域',
      api: demoListApi,
      columns: getBasicColumns(),
      useSearchForm: true,
      formConfig: getFormConfig(),
      showTableSetting: true,
      tableSetting: { fullScreen: true },
      showIndexColumn: false,
      rowKey: 'id',
      rowSelection: {
        type: 'checkbox',
        selectedRowKeys: checkedKeys,
        onSelect: onSelect,
        onSelectAll: onSelectAll,
      },
    })

    function getFormValues() {
      console.log(getForm().getFieldsValue())
    }

    function onSelect(record, selected) {
      if (selected) {
        checkedKeys.value = [...checkedKeys.value, record.id]
      } else {
        checkedKeys.value = checkedKeys.value.filter((id) => id !== record.id)
      }
    }
    function onSelectAll(selected, selectedRows, changeRows) {
      const changeIds = changeRows.map((item) => item.id)
      if (selected) {
        checkedKeys.value = [...checkedKeys.value, ...changeIds]
      } else {
        checkedKeys.value = checkedKeys.value.filter((id) => {
          return !changeIds.includes(id)
        })
      }
    }

    return {
      registerTable,
      getFormValues,
      checkedKeys,
      onSelect,
      onSelectAll,
    }
  },
})
</script>
